Galaxy M15 5G vs Galaxy M55 5G
It depends
Too close to call outright
These two are within 1 point overall, so it depends on you: keep phones for years → Galaxy M15 5G (supported until Apr 2029); want maximum speed → Galaxy M55 5G (Qualcomm Snapdragon 7 Gen 1).
Value Score: Galaxy M15 5G 71 · Galaxy M55 5G 72 — methodology
The lifespan decider
When specs are close, support length decides it — this is what each phone costs per month of safe use.
Category by category
The Galaxy M55 5G's screen is the better one — 6.7-inch super amoled plus, 1080x2400 (fhd+), 120hz.
The Galaxy M55 5G's Qualcomm Snapdragon 7 Gen 1 is simply the faster chip.
The Galaxy M55 5G has the stronger camera system (2 real rear lenses vs 1).
6,000mAh vs 5,000mAh — the Galaxy M15 5G lasts longer between charges.
Both phones' support windows end around the same time.
Pound for pound, these two are equally good deals.
Full spec table
| Spec | Galaxy M15 5G | Galaxy M55 5G |
|---|---|---|
| Price (street) | $150 | $270 |
| Display | 6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz | 6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz |
| Chipset | MediaTek Dimensity 6100+ | Qualcomm Snapdragon 7 Gen 1 |
| RAM | 4GB/6GB/8GB | 8GB/12GB |
| Storage | 128GB/256GB | 128GB/256GB |
| Battery | 6,000 mAh | 5,000 mAh |
| Charging | 25W wired | 45W wired |
| Rear cameras | 50MP main, 5MP ultra-wide, 2MP macro | 50MP main, 8MP ultra-wide, 2MP macro |
| Dimensions | 160.1 × 76.8 × 9.3 mm | 163.9 × 76.5 × 7.8 mm |
| Weight | 217 g | 180 g |
| Water resistance | None | None |
| Supported until | Apr 2029 | Mar 2029 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.